Panasonic SA-HT800VP Service Manual page 176

SCHEMATIC DIAGRAM-28
DSP CIRCUIT
CN301
AC3H[DACMUT]
11
FR
10
DVDGND
9
FL
8
TO
+7.5V
7
MAIN (DVD
SR
INTERFACE:IF)
6
CIRCUIT
-7.5V
5
(P34301) ON
SL
SCHEMATIC
4
DIAGRAM-21
AMUTE
3
SW
2
CNT
1
CN302
Q304
UNR211100L
11
REGULATOR
10
9
HP_R
8
HPGND
TO
7
INPUT
HP_L
6
SELECTOR 2
HP_SW
CIRCUIT
5
(CN901) ON
SCHEMATIC 4
uP_GND
DIAGRAM-37
3
JOGA
2
JOGB
1
: +B SIGNAL LINE
: -B SIGNAL LINE
C301 R301
16V10 2.2K
C302 R303
16V10
2.2K
C308
R310
16V10
2.2K
C314 R316
16V10 6.8K
C315
R320
R345
16V10 1K
R318
100K
IC302
KIA4558FEL
DUAL OP-AMP
R322
C320 R346
10K
16V10
1K
R321
100K
C321
470P
R325
150K
C347
50V3.3
R350
1K
Q304
D301
Q305
D302
D303
D301,D302,D303
B0ACCK000005
Q305
B1GBCFJN0004
MUTING CONTROL
: MAIN SIGNAL LINE
R306
C306
12K
100P
Q301
B1GFGCAA0001
MUTING SWITCH
R302
C303
12k
100P
R309
C310
15K
100P
Q302
B1GFGCAA0001
MUTING SWITCH
C312
R313
100P
12K
10K
R317
C316 R347
C329
22K
470P 22K
16V10
C317
47P
5 6 7 8
VCC
IC302
VEE
4 3 2
1
C322
C344
0.01
C323
16V10
FR
47P
R324 22K
22K
R348
R353
2.7K
D304
B0BC5R000009
R327
3.3K
SL
1 2 3
R328
1K
R329
6 5 4
1K
R332
3.3K
SR
R333
3.3K
CNT
R334
1K
1
2 3
R335 6 5 4
1K
R338
3.3K
SW
R339
3.3K
FL
C319
0.01
R340
1K
1 2
3
R342
6 5 4
1K
B1GFGCAA0001
MUTING SWITCH
R344
3.3K
R326
150K
C331
16V22
6CHSL
R330
C332
47K
100P
Q301
C334
16V22
6CHSR
R331
C335
47K
100P
6CHC
C337
16V22
R336
C338
47K
100P
Q302
C340
16V22
6CHSW
R337 C341
47K 100P
C342
16V22
6CHFL
R341
C343
47K
100P
Q303
Q303
C345
16V22
6CHFR
C346
R343
100P
47K
DVD_MUTE